Sheet materials - Determination of water vapour transmission rate - Gravimetric (dish) method

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Main informations

Collections

National standards and national normative documents

Publication date

September 2001

Number of pages

16 p.

Reference

NF ISO 2528

ICS Codes

85.060 Paper and board

Classification index

H00-030

Print number

1 - 02/08/2005

International kinship

ISO 2528:1995

Replaced standards (1)

NF ISO 2528

August 1989

Standard Cancelled

Sheet materials. Determination of water vapour transmission rate. Dish method.

La présente norme spécifie une méthode de détermination du coefficient de transmission de la vapeur d'eau par les produits en feuilles et en plaques méthode de la capsule par scellement à la cire.

Standard replaced by (1)

NF ISO 2528

December 2017

Standard Current

Sheet materials - Determination of water vapour transmission rate (WVTR) - Gravimetric (dish) method

ISO 2528:2017 specifies a method for the determination of the water vapour transmission rate (often erroneously called "permeability") of sheet materials. This method is not generally recommended for use if the transmission rate is expected to be less than 1 g/m2 per day or for materials thicker than 3 mm. In such cases the method specified in ISO 9932 is preferred. The method cannot be applied to film materials that are damaged by hot wax or that shrink to an appreciable extent under the test conditions used. For some purposes it may be necessary to determine the transmission rate of creased material; a procedure for this is given in Annex A.

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